# -*- coding: utf-8 -*-
#
# Configuration file for the Sphinx documentation builder.
#
# This file does only contain a selection of the most common options. For a
# full list see the documentation:
# http://www.sphinx-doc.org/en/master/config

# -- Path setup --------------------------------------------------------------

# If extensions (or modules to document with autodoc) are in another directory,
# add these directories to sys.path here. If the directory is relative to the
# documentation root, use os.path.abspath to make it absolute, like shown here.
#
# import os
# import sys
# sys.path.insert(0, os.path.abspath('.'))

import warnings

import plotly.io as pio
from sklearn.exceptions import ConvergenceWarning

import optuna


# -- Project information -----------------------------------------------------

project = "Optuna"
copyright = "2018, Optuna Contributors"
author = "Optuna Contributors."

# The short X.Y version
version = optuna.version.__version__
# The full version, including alpha/beta/rc tags
release = optuna.version.__version__

# -- General configuration ---------------------------------------------------

pio.renderers.default = "sphinx_gallery"

# If your documentation needs a minimal Sphinx version, state it here.
#
# needs_sphinx = '1.0'

# Add any Sphinx extension module names here, as strings. They can be
# extensions coming with Sphinx (named 'sphinx.ext.*') or your custom
# ones.
extensions = [
    "notfound.extension",
    "sphinx.ext.autodoc",
    "sphinx.ext.autosummary",
    "sphinx.ext.doctest",
    "sphinx.ext.imgconverter",
    "sphinx.ext.intersphinx",
    "sphinx.ext.mathjax",
    "sphinx.ext.napoleon",
    "sphinx.ext.viewcode",
    "sphinx.ext.githubpages",
    "sphinx.ext.graphviz",
    "sphinx_copybutton",
    "sphinx_gallery.gen_gallery"
]

# Add any paths that contain templates here, relative to this directory.
templates_path = ["_templates"]

# The suffix(es) of source filenames.
# You can specify multiple suffix as a list of string:
#
# source_suffix = ['.rst', '.md']
source_suffix = ".rst"

# The master toctree document.
master_doc = "index"

# List of patterns, relative to source directory, that match files and
# directories to ignore when looking for source files.
# This pattern also affects html_static_path and html_extra_path .
exclude_patterns = [
    "reference/visualization/generated/index.rst",
    "reference/visualization/matplotlib/generated/index.rst",
]

# The name of the Pygments (syntax highlighting) style to use.
pygments_style = "sphinx"

# -- Options for HTML output -------------------------------------------------

# The theme to use for HTML and HTML Help pages.  See the documentation for
# a list of builtin themes.
#
html_theme = "sphinx_rtd_theme"

# Theme options are theme-specific and customize the look and feel of a theme
# further.  For a list of options available for each theme, see the
# documentation.
#
html_theme_options = {"logo_only": True, "navigation_with_keys": True}

html_favicon = "../image/favicon.ico"

html_logo = "../image/optuna-logo.png"

# Add any paths that contain custom static files (such as style sheets) here,
# relative to this directory. They are copied after the builtin static files,
# so a file named "default.css" will overwrite the builtin "default.css".
html_static_path = ["_static"]
html_css_files = ["css/custom.css"]

# Custom sidebar templates, must be a dictionary that maps document names
# to template names.
#
# The default sidebars (for documents that don't match any pattern) are
# defined by theme itself.  Builtin themes are using these templates by
# default: ``['localtoc.html', 'relations.html', 'sourcelink.html',
# 'searchbox.html']``.
#
# html_sidebars = {}

# -- Options for HTMLHelp output ---------------------------------------------

# Output file base name for HTML help builder.
htmlhelp_basename = "Optunadoc"

# -- Options for LaTeX output ------------------------------------------------

latex_elements = {
    # The paper size ('letterpaper' or 'a4paper').
    #
    # 'papersize': 'letterpaper',
    # The font size ('10pt', '11pt' or '12pt').
    #
    # 'pointsize': '10pt',
    # Additional stuff for the LaTeX preamble.
    #
    # 'preamble': '',
    # Latex figure (float) alignment
    #
    # 'figure_align': 'htbp',
}

# Grouping the document tree into LaTeX files. List of tuples
# (source start file, target name, title,
#  author, documentclass [howto, manual, or own class]).
latex_documents = [
    (master_doc, "Optuna.tex", "Optuna Documentation", "Optuna Contributors.", "manual"),
]

# -- Options for manual page output ------------------------------------------

# One entry per manual page. List of tuples
# (source start file, name, description, authors, manual section).
man_pages = [(master_doc, "optuna", "Optuna Documentation", [author], 1)]

# -- Options for Texinfo output ----------------------------------------------

# Grouping the document tree into Texinfo files. List of tuples
# (source start file, target name, title, author,
#  dir menu entry, description, category)
texinfo_documents = [
    (
        master_doc,
        "Optuna",
        "Optuna Documentation",
        author,
        "Optuna",
        "One line description of project.",
        "Miscellaneous",
    ),
]

intersphinx_mapping = {
    "python": ("https://docs.python.org/3", None),
    "distributed": ("https://distributed.dask.org/en/stable", None),
    "lightgbm": ("https://lightgbm.readthedocs.io/en/stable", None),
    "matplotlib": ("https://matplotlib.org/stable", None),
    "numpy": ("https://numpy.org/doc/stable", None),
    "scipy": ("https://docs.scipy.org/doc/scipy", None),
    "sklearn": ("https://scikit-learn.org/stable", None),
    "torch": ("https://pytorch.org/docs/stable", None),
    "pandas": ("https://pandas.pydata.org/docs", None),
    "plotly": ("https://plotly.com/python-api-reference", None),
}

# -- Extension configuration -------------------------------------------------
autosummary_generate = True
autodoc_typehints = "description"
autodoc_default_options = {
    "members": True,
    "inherited-members": "int",
    "exclude-members": "with_traceback",
}

# sphinx_copybutton option to not copy prompt.
copybutton_prompt_text = "$ "

# Sphinx Gallery
pio.renderers.default = "sphinx_gallery_png"

sphinx_gallery_conf = {
    "doc_module": ("sphinx_gallery"),
    "examples_dirs": [
        "../../tutorial/10_key_features",
        "../../tutorial/20_recipes",
        "../visualization_examples",
        "../visualization_matplotlib_examples",
    ],
    "gallery_dirs": [
        "tutorial/10_key_features",
        "tutorial/20_recipes",
        "reference/visualization/generated",
        "reference/visualization/matplotlib/generated",
    ],
    "compress_images": ("images", "thumbnails"),
    "thumbnail_size": (400, 280),
    "within_subsection_order": "FileNameSortKey",
    "filename_pattern": r"/*\.py",
    "first_notebook_cell": None,
    "image_scrapers": ("matplotlib", "plotly.io._sg_scraper.plotly_sg_scraper"),
}

# matplotlib plot directive
plot_include_source = True
plot_formats = [("png", 90)]
plot_html_show_formats = False
plot_html_show_source_link = False

# sphinx plotly directive
plotly_include_source = True
plotly_formats = ["html"]
plotly_html_show_formats = False
plotly_html_show_source_link = False

# Not showing common warning messages as in
# https://sphinx-gallery.github.io/stable/configuration.html#removing-warnings.
warnings.filterwarnings("ignore", category=ConvergenceWarning, module="sklearn")
